Cisco Cisco Packet Data Interworking Function (PDIF)
Subscriber Configuration Mode Commands
l3-to-l2-tunnel address-policy ▀
Command Line Interface Reference, StarOS Release 18 ▄
8883
l3-to-l2-tunnel address-policy
Configure the subscriber address allocation/validation policy, when subscriber Layer 3 (IPv4) sessions are tunneled
using Layer 2 tunneling protocol (L2TP).
using Layer 2 tunneling protocol (L2TP).
Product
HA
GGSN
Privilege
Security Administrator, Administrator
Mode
Exec > Global Configuration > Context Configuration > Subscriber Configuration
configure > context context_name > subscriber { default | name subscriber_name }
Entering the above command sequence results in the following prompt:
[context_name]host_name(config-subscriber)#
Syntax
l3-to-l2-tunnel address-policy { alloc-only | alloc-validate | no-alloc-validate }
default l3-to-l2-tunnel address-policy
default
Restores the default value for Layer 3-to-Layer 2 tunnel addressing:
no-alloc-validate
.
l3-to-l2-tunnel address-policy
Sets the policy for Layer 3-to-Layer 2 sessions to one of the following options.
alloc-only
Only allocates an address in the case of dynamic address assignment. Does not validate static addresses.
alloc-validate
Locally allocates and validates the subscriber addresses.
no-alloc-validate
Does not allocate or validate subscriber addresses locally for current subscribers sessions. Passes the address
between the remote tunnel terminator and the Mobile Node. This is the default behavior.
between the remote tunnel terminator and the Mobile Node. This is the default behavior.
Usage
Use this command to configure the L3 to L2 tunnel address policy for MIP HA sessions tunneled from the
system using L2TP tunnels or for GGSN IP Context sessions tunneled using L2TP to a remote LNS. Also
refer to the
system using L2TP tunnels or for GGSN IP Context sessions tunneled using L2TP to a remote LNS. Also
refer to the
resource
keyword of the Context Configuration mode
ip pool
command.
Example
the following command sets the L3-to-L2 tunnel address policy so that the current subscriber must have IP
addresses allocated and validated locally on the system:
addresses allocated and validated locally on the system: